Home / 1,955,373.40-2,698,793.58-1,275,128.92

Finding the Fourth Proportional to 1,955,373.40, 2,698,793.58 and 1,275,128.92

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Solution

The fourth proportional to 1,955,373.40, 2,698,793.58 and 1,275,128.92 is: 1,759,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,373.40 : 2,698,793.58 = 1,275,128.92 : x
  2. Step 2: Convert to fraction form
    1,955,373.40/2,698,793.58 = 1,275,128.92/x
  3. Step 3: Cross multiply
    1,955,373.40x = 2,698,793.58 × 1,275,128.92
  4. Step 4: Simplify right side
    1,955,373.40x = 3,441,309,742,968.33
  5. Step 5: Solve for x
    x = 3,441,309,742,968.33/1,955,373.40
  6. Step 6: Final answer
    x = 1,759,924.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.